Characteristics of Pyrolysis and Copyrolysis Products Sewage Sludge in Different Temperature Ranges

Table 1

Process optimization factors in pyrolysis process.

Experimental level	Experimental factors
	Carrier gas flow rate a (mL/min)	Bed thickness b (mm)	Constant temperature time c (min)
1	100	6	5
2	200	10	10
3	300	14	20